Featherwing beetles are some of the smallest insects on Earth. Now, Gizmodo reports that one researcher managed to spot an ancient specimen. It was spotted in a 99-million-year-old chunk of amber. Just half a millimeter long, this Cretaceous period beetle had its signature fringed wings unfurled when it met its sticky demise. Shuhei Yamamoto, an entomologist at the Field Museum of Natural History in Chicago, “These beetles lived in the Cretaceous, so they lived with dinosaurs.